Function decode

scripts/languages/twlang.py:13–54

(fileobj, elements_per_key, allow_context=True)

def decode(fileobj, elements_per_key, allow_context=True):
	data = {}
	current_context = ""
	current_key = None
	index = -1
	for index, line in enumerate(fileobj):
		line = line.encode("utf-8").decode("utf-8-sig").rstrip("\r\n")
		if not line or line[:1] == "#":
			current_context = ""
			continue

		if line[0] == "[":
			if line[-1] != "]":
				raise LanguageDecodeError("Invalid context string", fileobj.name, index)
			if not allow_context:
				raise LanguageDecodeError("Context not allowed in this file", fileobj.name, index)
			current_context = line[1:-1]
		elif line[:3] == "== ":
			if len(data[current_key]) >= 1 + elements_per_key:
				raise LanguageDecodeError("Wrong number of elements per key", fileobj.name, index)
			if current_key:
				translation = line[3:]
				data[current_key].extend([translation])
			else:
				raise LanguageDecodeError("Element before key given", fileobj.name, index)
		else:
			if current_key:
				if len(data[current_key]) != 1 + elements_per_key:
					raise LanguageDecodeError("Wrong number of elements per key", fileobj.name, index)
				data[current_key].append(index - 1 if current_context else index)
			if line in data:
				raise LanguageDecodeError("Key defined multiple times: " + line, fileobj.name, index)
			data[(line, current_context)] = [index - 1 if current_context else index]
			current_key = (line, current_context)
	if len(data[current_key]) != 1 + elements_per_key:
		raise LanguageDecodeError("Wrong number of elements per key", fileobj.name, index)
	data[current_key].append(index + 1)
	new_data = {}
	for key, value in data.items():
		if key[0]:
			new_data[key] = value
	return new_data


def check_file(path):